<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="/class/modify_the/">
    <input type="text" name="id" hidden value="{{ xiu.id }}">
    姓名: <input type="text" name="name" value="{{ xiu.name }}">
    <br>
    年龄: <input type="text" name="age" value="{{ xiu.age }}">
    <br>
    性别: <input type="text" name="sex" value="{{ xiu.sex }}">
    <br>
    <input type="submit" value="修改">

</form>
</body>
</html>